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Documenti fondamentali

324716

Sigma-Aldrich

Endo-α-N-acetylgalactosaminidase, Streptococcus pneumoniae, Recombinant, E. coli

Endo-α-N-acetylgalactosaminidase, Streptococcus pneumoniae, Recombinant, E. coli, CAS 59793-96-3, catalyzes the hydrolysis of the unsubstituted Galβ1,3GalNAc core disaccharide attached to Ser or Thr.

Sinonimo/i:

Endo-α-N-acetylgalactosaminidase, Streptococcus pneumoniae, Recombinant, E. coli, O-Glycopeptide endo-D-galactosyl-N-acetyl-α-galactosaminohydrolase, O-Glycosidase

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About This Item

Numero CAS:
Classificazione EC (Enzyme Commission):
Codice UNSPSC:
12352202
NACRES:
NA.42

Ricombinante

expressed in E. coli

Livello qualitativo

Coniugato

(O-linked)

Forma fisica

liquid

Attività specifica

≥1 units/mL
≥10 units/mg protein

Produttore/marchio commerciale

Calbiochem®

Condizioni di stoccaggio

do not freeze

Attività estranea

N-acetylglucosaminidase, α- and β-galactosidase, α-mannosidase, neuraminidase, proteases, none detected

Condizioni di spedizione

wet ice

Temperatura di conservazione

2-8°C

Descrizione generale

Note: 1 mU = 1 milliunit.
Recombinant, Streptococcus pneumoniae Endo-α-N-acetylgalactosaminidase expressed in E. coli. Catalyzes the hydrolysis of the unsubstituted Galβ1,3GalNAc core disaccharide attached to serine or threonine residues of glycopeptides and glycoproteins to afford free oligosaccharides.
Recombinant, Streptococcus pneumoniae Endo-α-N-acetylgalactosaminidase expressed in E. coli. Catalyzes the hydrolysis of the unsubstituted Galβ1,3GalNAc core disaccharide attached to serine or threonine residues of glycopeptides and glycoproteins to afford free oligosaccharides. For carbohydrates containing sialic acid or fucose, pretreatment with neuraminidase or fucosidase is required.

Attenzione

Toxicity: Standard Handling (A)

Definizione di unità

One unit is defined as the amount of enzyme that will catalyze the release of 1.0 µmol p-nitrophenol from p-nitrophenyl-2-acetamido-2-deoxy-3-O-(β-D-galactopyranosyl)-α-D-galactopyranoside per min at 37°C, pH 5.0.

Stato fisico

In 50 mM sodium phosphate buffer, pH 7.5.

Altre note

Wang, A.M., et al. 1998. Mol. Genet. Metab. 65, 165.
Iwase, H., and Hotta, K. 1993. Methods Mol. Biol. 14, 151.
Fan, J.Q., et al. 1990. Agric. Biol. Chem. 54, 233.
Umemoto, J., et al. 1978. Anal. Biochem. 91, 186.
Glasgow, L.R., et al. 1977. J. Biol. Chem. 252, 8615.

Note legali

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

nwg

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


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Release of O-linked glycoprotein glycans by endo-alpha-N-acetylgalactosaminidase.
H Iwase et al.
Methods in molecular biology (Clifton, N.J.), 14, 151-159 (1993-01-01)
J Umemoto et al.
Analytical biochemistry, 91(1), 186-193 (1978-11-01)
The synthetic glycosides, p-nitrophenyl- and o-nitrophenyl-2-acetamido-2-deoxy-3-O-beta-D-galactopyranosyl-alpha- D-galactopyranosides, were found to be effective chromogenic substrates for an endo-alpha-N-acetyl-D-galactosaminidase. We did not experience any problems when these substrates were used for the screening of column fractions during the purification of the endoenzyme
Induction and efficient purification of endo-alpha-N-acetylgalactosaminidase from Alcaligenes sp.
J Q Fan et al.
Agricultural and biological chemistry, 54(1), 233-234 (1990-01-01)
A M Wang et al.
Molecular genetics and metabolism, 65(2), 165-173 (1998-10-27)
Recent characterization of the human sequences encoding two lysosomal hydrolases, alpha-galactosidase A (alpha-Gal A) and alpha-N-acetylgalactosaminidase (alpha-GalNAc) revealed that these two enzymes with distinct enzymatic activities shared about 50% overall amino acid identity and that their genomic sequences had a
Systematic purification of five glycosidases from Streptococcus (Diplococcus) pneumoniae.
L R Glasgow et al.
The Journal of biological chemistry, 252(23), 8615-8623 (1977-12-10)

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